.date_picker {
    padding: 30px;
    border-radius: 5px;
    border: 1px solid #e4e7ea;
    color: #303030;
    display: flex;
    flex-direction: column;
    flex-basis: 250px;
    max-width: 250px;
    background-color: #ffffff;
}

.date_picker-month_header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.date_picker-header_button.is-next:after {
    content: '>';
}

.date_picker-header_button.is-prev:after {
    content: '<';
}

.date_picker-header_button {
    cursor: pointer;
    background: transparent;
    border-radius: 50%;
    border: 1px solid #e4e7ea;
    transition: border 0.1s ease-in, color 0.1s ease-in;
    position: relative;
    height: 35px;
    width: 35px;
}

.date_picker-month_header_title {
    font-size: 20px;
}

.date_picker-days_of_week {
    font-size: 13px;
    display: flex;
    color: #c3c3c3;
    text-align: center;
    margin-bottom: 25px;
}
.date_picker-days_of_week_day {
    flex-basis: 15%;
}

.date_picker-week {
    display: flex;
    margin-bottom: 8px;
}

.date_picker-day {
    height: 34px;
    width: 34px;
    vertical-align: middle;
    font-size: 15px;
    user-select: none;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-basis: 15%;
    background: #fff;
    position: relative;
    border-radius: 50%;
    border: none;
}

.date_picker-day.is-today {
    font-weight: 700;
}

.date_picker-day.is-selected {
    background: #e3effc;
    color: #404040;
    position: relative;
    z-index: 1;
    border-radius: 0;
}

.date_picker-day:first-of-type {
    border-radius: 50% 0 0 50%;
}

.date_picker-day.is-not_selectable {
    color: #e4e7ea;
}

.date_picker-day.is-selectable {
    cursor: pointer;
    position: relative;
}

.date_picker-day.is-selected.is-start_selection {
    border-radius: 50% 0 0 50%;
}

.date_picker-day.is-selected.is-start_selection, .date_picker-day.is-selected.is-end_selection {
    background: #e3effc;
    color: #fff;
}

.date_picker-day.is-selected::before {
    background: #3863a0;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    position: absolute;
    z-index: -1;
    border-radius: 50%;
    color: #fff;
}

.date_picker-day.is-selectable:before {
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    display: block;
    width: 100%;
    height: 100%;
    position: absolute;
}

.date_picker-day.is-selected.is-start_selection::before, .date_picker-day.is-selected.is-end_selection::before {
    content: '';
}